Prevymis and Constipation - a phase IV clinical study of FDA data

Summary:

Constipation is reported as a side effect among people who take Prevymis (letermovir), especially for people who are female, 20-29 old, also take Prograf, and have Acute lymphocytic leukemia (all).

The phase IV clinical study analyzes which people have Constipation when taking Prevymis. It is created by eHealthMe based on reports of 1,327 people who have side effects when taking Prevymis from the FDA, and is updated regularly.

What is Prevymis?

Prevymis has active ingredients of letermovir. eHealthMe is studying from 1,328 Prevymis users. Check the latest studies of Prevymis.

What is Constipation?

Constipation is found to be associated with 3,003 drugs and 4,603 conditions by eHealthMe. Check the latest studies of Constipation.

On May, 14, 2026

1,327 people reported to have side effects when taking Prevymis.
Among them, 12 people (0.9%) have Constipation.

Among these 12 people:

What is the gender of people who have Constipation when taking Prevymis? *

female: 80 %
male: 20 %

What is the age of people who have Constipation when taking Prevymis? *

What are other drugs people take besides Prevymis? *

What are other side effects people have besides Constipation? *

Thrombocytopenia (decrease of platelets in blood): 6 people, 50.00%
Haematemesis (vomiting of blood): 5 people, 41.67%
Hair Loss: 5 people, 41.67%
Gastrointestinal Erosion (gradual destruction of gastrointestinal tract because of the inflamed mucous membrane lining the stomach): 5 people, 41.67%
Melaena (the passage of black, tarry stools): 5 people, 41.67%
Cytomegalovirus Infection: 5 people, 41.67%
Mucormycosis (a rare infection caused by organisms that belong to a group of fungi called mucoromycotina): 5 people, 41.67%
Fever: 5 people, 41.67%
Lymphocyte Count Decreased: 4 people, 33.33%
Glaucoma (increased fluid pressure in the eye with vision loss): 3 people, 25.00%

What are the existing conditions these people have? *

Acute Lymphocytic Leukemia (All) (cancer of the white blood cells characterized by excess lymphoblasts): 7 people, 58.33%
Herpes Zoster: 5 people, 41.67%
Mucormycosis (a rare infection caused by organisms that belong to a group of fungi called mucoromycotina): 3 people, 25.00%
Cytomegalovirus Infection: 3 people, 25.00%
Fever: 2 people, 16.67%
Cystic Fibrosis (disease of the secretary glands): 2 people, 16.67%
Acute Lymphocytic Leukaemia Recurrent (cancer in which the bone marrow makes too many lymphocytes-recurrent): 2 people, 16.67%
Stress And Anxiety: 1 person, 8.33%
Nausea And Vomiting: 1 person, 8.33%
Nausea (feeling of having an urge to vomit): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Prevymis and have Constipation?

- Check whether Constipation is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Prevymis:

Prevymis (1,328 reports)

Constipation treatments and more:

Constipation (337,878 reports)

Browse all side effects of Prevymis:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Constipation:

Constipation (3,003 drugs)

Browse all the conditions that are associated with Constipation:

Constipation (4,603 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on letermovir (the active ingredients of Prevymis) and Prevymis (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.